fixing issues with golang sys in docker dependency (astronomer#466)

fixed default airflow image tag behaviour (astronomer#450)

* fixed default airflow image tag behaviour

* added test to cover new default airflow image tag logic

* fixed the output string for selecting default airflow image

* added code review changes

fix: cannot use syscall.Stdin (type syscall.Handle) as type int in ar…

…gument to terminal.ReadPassword (astronomer#452)

* fix: cannot use syscall.Stdin (type syscall.Handle) as type int in argument to terminal.ReadPassword

fix(triggerer-replicas-short-hand-t-is-already-taken,-remove-it-from-…

…create/update): triggerer-replicas short hand t was already taken but didnt notice on testing since i had to turn on another flag (astronomer#445)

Merge branch 'main' into release-0.25

Merge branch 'main' into release-0.25

Merge branch 'main' into release-0.25

Merge branch 'main' into release-0.25

Merge pull request astronomer#416 from astronomer/fix/circleci-conf-f…

…or-releasing

fix conf

Remove example plugin no longer serving purpose (astronomer#410)